2021
Golebiewski - Why Scala 3 will be awesome
    https://www.youtube.com/watch?v=lA37gzEiQw4
https://scalac.io/blog/scala-3-dotty-facts-opinions/
    https://habr.com/ru/company/otus/blog/545564/
https://medium.com/scala-3/scala-3-contextual-abstractions-part-ii-35174c7f1baa
    https://habr.com/ru/post/539088/ 
https://medium.com/scala-3/scala-3-contextual-abstractions-part-i-3471676f2d23
    https://habr.com/ru/post/537340/
2020
https://blog.softwaremill.com/annoying-things-in-scala-2-thatll-be-mostly-gone-in-scala-3-e1479a6d855c
2018
Odersky - New Functional Constructs in Scala 3
    https://www.youtube.com/watch?v=6P06YHc8faw
Zeiger - Migrating to Scala 2.13
    https://www.youtube.com/watch?v=8pl90az8eTY
https://jug.ru/2018/08/scala-digest-6/
https://www.slideshare.net/Odersky/preparing-for-scala-3